2004-10-30/2019-10-28 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). — Patent awarded to Gustav Sander, Brunswick and Berlin, Germany, 1894. Patent #512,522; January 9, 1894; organ. Patent #254,046; February 21, 1882; pneumatic action. (Jointly with Moritz Reiter) Source: Information taken from the text of the United States patents listed above.
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